This example describes the final keyword usage in java. Share to everyone for your reference, specific as follows:
Depending on the context, the Java keyword Final also has a subtle distinction, but it usually means "this is immutable." "There are
Java Memory Model-final, java model-final
Compared with the locks and volatile described earlier, the read and write operations on the final domain are more like common variable access. For final domains, the compiler and processor must follow two
Final classwhen a class is defined as final class, it means that the class cannot be inherited by other classes, that is, it cannot be used after extends. Otherwise, errors are obtained during compilation.
Package Com.iderzheng.finalkeyword;
When it comes to the final keyword, it's probably a lot of people who are not unfamiliar with the final keyword when using anonymous internal classes. In addition, the string class in Java is a final class, so today we'll look at the use of the
Java in the final, finally, finalize the difference and usage, troubled a lot of learners, the following we have some discussion on this issue, I hope that everyone's learning has helped.Method/Step
1Simple difference:Final is used to
Difference and usage of final, finally, and finalize in Java, finalfinalize
1. Simple differences:Final is used to declare attributes. Methods and classes indicate that attributes cannot be exchanged, methods cannot be overwritten, and classes
Java string optimization
The final keyword in Java can be used in class members (not called domains), in class methods, and in classes.
The final is used in the domain to represent:
1, a constant amount of compilation that never changes.
2, a
When it comes to the final keyword, it's probably a lot of people who are not unfamiliar with the final keyword when using anonymous internal classes. In addition, the string class in Java is a final class, so today we'll look at the use of the
In Java programming, we may sometimes hope that some data cannot be changed, and that this is where the final comes into play. Final is Java'soff The key word that it represents is that this part cannot be modified. There are two reasons why you don'
Java static, this, super, final usage
I. Static
Take a look at the following program:
Public class Hello {Public static void main (string [] ARGs) {// (1)System. Out. println ("Hello, world! "); // (2)}}
I have read this program,
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